Mechanical design is superior to stock by butting the case saver solidly up against the ignition cover. Absorbs impacts without transferring energy to prevent ripping the mounting bolts out of the case. Extra-wide, reinforced, composite plastic. All dirt bike case saver's accept one tooth larger sprocket.

The TMD case savers absorb impact energy unlike aluminum That transmits it right to the engine case.
Unique 3-Point mounting system reinforces the Case Saver in the center.
Accepts one tooth larger countershaft sprocket.
includes ignition wire holding tab off the hot cases. 
Exclusive patented design. Pat # D621,851 S.
TM Designworks is the inventor of the first plastic case saver

Fits: HONDA (02-05) CRF 450R